How do the scientists use observations to make predictions?

What happens to water when dry ice is added?

In standardizing the 0.1 m naoh in three trial runs suppose the concentrations of naoh obtained are

If 3 moles of a compound use 12 J of energy in a reaction, what is the A Hreaction in kJ/mol?

Consider the reaction at equilibrium: Mg (OH) 2 (aq) ←→ MgO (s) + H2O (ℓ) If you add more MgO to the system, how will the system respond? 1. the reaction will shift to the right 2. the reaction will shift to the left 3. nothing will happen 4.

Which one will u love the one you love that dont love u or the one who is loving you that u don't like?

Which of the following examples is a compound containing an ionic bond? A. O2 B. H2O C. CaO D. CH4

How many moles of a gas will occupy 2.50L at STP

Which has more kinetic energy, a small sports car traveling at 30 km/hr or a large tractor-trailer traveling at 75 km/hr?

A Lay's potato chip weighing 4.03g is put into a bomb calorimeter containing 895.5g of water at 25.10°C. If this increases the temperature of the surrounding water to 48.89°C, what is the amount of calories per serving if 1 serving = 28.38g.

Which element is the least metallic between cadmium, silver, zinc, or iron?